Chapter 12 A CHALLENGE

"Miss Ruston!"

"Yes?" The answer came through the door of the dark-room. "I can't come out for four minutes. Can you give me the message through a closed door?"

"Certainly," responded Amy Mathewson, standing outside. She was dressed for motor travel and her eyes were full of anticipation. "Mr. Macauley is taking some of us out to meet Dr. Bur